C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 201640
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1140 AM CDT Tue May 20 2025
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1140 AM CDT Tue May 20 2025 /1240 PM EDT Tue May 20 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Tornado Risk.
Level 2 of 5 Damaging Wind Risk...up to 70 mph.
Level 2 of 5 Large Hail Risk...up to quarter size.
Limited Flooding Risk.
DISCUSSION...
Showers and thunderstorms are expected to redevelop this
afternoon. A few storms could become severe, primarily near and
south of a La Salle to Rensselaer line. All severe hazards,
including a few tornadoes are possible, though the primary severe
threats are expected to be localized damaging wind gusts and
isolated large hail up to the size of quarters.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed this afternoon and early evening.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 30 mph.
https://wxn.io/2vlry
